Thermal tumbling granulation
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United States of America Patent
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-
Jan 12, 1982
Grant Date -
N/A
app pub date -
Aug 3, 1979
filing date -
Aug 15, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for producing a granulate of difficultly fusible additives for plastics, particularly of pigments, by thermal tumbling granulation, which process comprises mixing the additive in powder form with a granulating auxiliary which softens between 30.degree. and 200.degree. C. and which has a particle size of 0.1-2.0 mm; and subjecting this mixture to a gentle rotary motion, with heating by means of a source of heat being simultaneously applied at least until softening of the granulating auxiliary commences.
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